Salim Hassan Macki

The Group's principal activity is exploring for, developing and producing petroleum and natural gas. The Group has exploration projects in Uganda, the Kurdistan Region of Iraq, the Dominican Republic of Congo, Malta, Pakistan and Mali, and producing properties in Oman and Russia.

Special Technical Services LLC engages in fabrication, construction, and maintenance services for the energy and industrial sectors. It also offers repair of steel storage tanks, HDPE lining, and aluminum smelter. The company was founded in 1980 and is headquartered in Muscat, Oman.

Heritage Oil (UK) Ltd. operates as an independent oil and gas exploration and production company. It explores petroleum oil and natural gas properties located in Russia, Pakistan, Tanzania, Malta, Nigeria, and Libya. The company was founded by Anthony L. R. Buckingham in 1992 and is headquartered in St. Helier, Jersey.

Oman Oilfields Supply Center LLC distributes engineering products and services to the oil and gas, fertilizer, power generation and distribution, and other industrial sectors. It offers technical product support, marketing, after sales activities, after and pre-commissioning activities, spare parts, stocking, management, contracts or project supply, and manpower and logistics support. The company was founded by Salim Hassan Macki in 1974 and is headquartered in Muscat, Oman.